Modified SceneNode::FrustumCull

Now provides an implementation which will test the bounding volume
against the frustum (Basic frustum culling)
Is now const
Disabled face culling on sprites


Former-commit-id: 5cb7a94b38ef8b0ffa5a78f16f5ef65a59ab375d

include/Nazara/Graphics/Light.hpp

@@ -53,7 +53,7 @@ class NAZARA_API NzLight : public NzSceneNode
 		static void Disable(const NzShader* program, const NzLightUniforms& uniforms, int offset = 0);
 
 	private:
-		bool FrustumCull(const NzFrustumf& frustum) override;
+		bool FrustumCull(const NzFrustumf& frustum) const override;
 		void InvalidateNode() override;
 		void Register() override;
 		void Unregister() override;

include/Nazara/Graphics/Model.hpp

@@ -86,7 +86,6 @@ class NAZARA_API NzModel : public NzSceneNode
 		NzModel& operator=(NzModel&& node);
 
 	protected:
-		bool FrustumCull(const NzFrustumf& frustum) override;
 		void InvalidateNode() override;
 		virtual void UpdateBoundingVolume() const;
 

include/Nazara/Graphics/SceneNode.hpp

@@ -40,9 +40,9 @@ class NAZARA_API NzSceneNode : public NzNode
 		NzSceneNode& operator=(NzSceneNode&& sceneNode);
 
 	protected:
+		virtual bool FrustumCull(const NzFrustumf& frustum) const;
 		virtual void OnParenting(const NzNode* parent) override;
 		virtual void OnVisibilityChange(bool visibility);
-		virtual bool FrustumCull(const NzFrustumf& frustum) = 0;
 		void RecursiveSetScene(NzScene* scene, NzNode* node);
 		virtual void Register();
 		void SetScene(NzScene* scene);

include/Nazara/Graphics/SceneRoot.hpp

@@ -26,7 +26,6 @@ class NAZARA_API NzSceneRoot : public NzSceneNode
 		NzSceneRoot(NzScene* scene);
 		virtual ~NzSceneRoot();
 
-		bool FrustumCull(const NzFrustumf& frustum) override;
 		void Register();
 		void Unregister();
 };

include/Nazara/Graphics/Sprite.hpp

@@ -37,7 +37,6 @@ class NAZARA_API NzSprite : public NzSceneNode
 		void SetTextureRect(const NzRectui& rect);
 
 	private:
-		bool FrustumCull(const NzFrustumf& frustum) override;
 		void InvalidateNode() override;
 		void Register() override;
 		void Unregister() override;

src/Nazara/Graphics/Light.cpp

@@ -229,7 +229,7 @@ void NzLight::Disable(const NzShader* shader, const NzLightUniforms& uniforms, i
 	shader->SendInteger(uniforms.locations.type + offset, -1);
 }
 
-bool NzLight::FrustumCull(const NzFrustumf& frustum)
+bool NzLight::FrustumCull(const NzFrustumf& frustum) const
 {
 	switch (m_type)
 	{
@@ -244,10 +244,7 @@ bool NzLight::FrustumCull(const NzFrustumf& frustum)
 			return frustum.Contains(NzSpheref(m_derivedPosition, m_radius));
 
 		case nzLightType_Spot:
-			if (!m_boundingVolumeUpdated)
-				UpdateBoundingVolume();
-
-			return frustum.Contains(m_boundingVolume);
+			return NzSceneNode::FrustumCull(frustum);
 	}
 
 	NazaraError("Invalid light type (0x" + NzString::Number(m_type, 16) + ')');

src/Nazara/Graphics/Model.cpp

@@ -438,14 +438,6 @@ NzModel& NzModel::operator=(NzModel&& node)
 	return *this;
 }
 
-bool NzModel::FrustumCull(const NzFrustumf& frustum)
-{
-	if (!m_boundingVolumeUpdated)
-		UpdateBoundingVolume();
-
-	return frustum.Contains(m_boundingVolume);
-}
-
 void NzModel::InvalidateNode()
 {
 	NzSceneNode::InvalidateNode();

src/Nazara/Graphics/SceneNode.cpp

@@ -73,6 +73,11 @@ NzSceneNode& NzSceneNode::operator=(NzSceneNode&& sceneNode)
 	return *this;
 }
 
+bool NzSceneNode::FrustumCull(const NzFrustumf& frustum) const
+{
+	return frustum.Contains(GetBoundingVolume());
+}
+
 void NzSceneNode::OnParenting(const NzNode* parent)
 {
 	if (parent)

src/Nazara/Graphics/SceneRoot.cpp

@@ -36,13 +36,6 @@ bool NzSceneRoot::IsDrawable() const
 	return true;
 }
 
-bool NzSceneRoot::FrustumCull(const NzFrustumf& frustum)
-{
-	NazaraUnused(frustum);
-
-	return true; // Toujours visible
-}
-
 void NzSceneRoot::Register()
 {
 	NazaraInternalError("SceneNode::Register() called on SceneRoot");

src/Nazara/Graphics/Sprite.cpp

@@ -116,10 +116,11 @@ void NzSprite::SetSize(const NzVector2f& size)
 void NzSprite::SetTexture(NzTexture* texture, bool resizeSprite)
 {
 	std::unique_ptr<NzMaterial> material(new NzMaterial);
-	material->Enable(nzRendererParameter_DepthBuffer, false);
+	material->SetPersistent(false);
+
+	material->Enable(nzRendererParameter_FaceCulling, false);
 	material->EnableLighting(false);
 	material->SetDiffuseMap(texture);
-	material->SetPersistent(false);
 
 	SetMaterial(material.get(), resizeSprite);
 	material.release();
@@ -154,14 +155,6 @@ void NzSprite::SetTextureRect(const NzRectui& rect)
 	SetTextureCoords(NzRectf(invWidth*rect.x, invHeight*rect.y, invWidth*rect.width, invHeight*rect.height));
 }
 
-bool NzSprite::FrustumCull(const NzFrustumf& frustum)
-{
-	if (!m_boundingVolumeUpdated)
-		UpdateBoundingVolume();
-
-	return frustum.Contains(m_boundingVolume);
-}
-
 void NzSprite::InvalidateNode()
 {
 	NzSceneNode::InvalidateNode();
@@ -180,7 +173,7 @@ void NzSprite::Unregister()
 void NzSprite::UpdateBoundingVolume() const
 {
 	if (m_boundingVolume.IsNull())
-		m_boundingVolume.Set(-m_size.x*0.5f, -m_size.y*0.5f, 0, m_size.x, m_size.y, 0.f);
+		m_boundingVolume.Set(-m_size.x*0.5f, -m_size.y*0.5f, 0.f, m_size.x, m_size.y, 0.f);
 
 	if (!m_transformMatrixUpdated)
 		UpdateTransformMatrix();